675999684863 has 8 divisors (see below), whose sum is σ = 677591448576. Its totient is φ = 674409569400.

The previous prime is 675999684823. The next prime is 675999684907. The reversal of 675999684863 is 368486999576.

It is a Cunningham number, because it is equal to 822192²-1.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 675999684863 - 2¹⁰ = 675999683839 is a prime.

It is a super-2 number, since 2×675999684863² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675999684803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411098 + ... + 1233288.

It is an arithmetic number, because the mean of its divisors is an integer number (84698931072).

Almost surely, 2^675999684863 is an apocalyptic number.

675999684863 is a deficient number, since it is larger than the sum of its proper divisors (1591763713).

675999684863 is a wasteful number, since it uses less digits than its factorization.

675999684863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824125.

The product of its digits is 4232632320, while the sum is 80.

The spelling of 675999684863 in words is "six hundred seventy-five billion, nine hundred ninety-nine million, six hundred eighty-four thousand, eight hundred sixty-three".